C++ notes

subarray.cpp

@@ -0,0 +1,18 @@
+#include <bits/stdc++.h>
+using namespace std;
+
+int main(){
+    int arr[]={1,2,3,4,5};
+    int n=5;
+
+    for(int start=0; start<n;start++){
+        for(int end=start; end<=n; end++){
+            for(int i=start; i<=end; i++){
+                cout<<arr[i]<<" ";
+            }
+            cout<<"\n";
+        }
+    }
+
+    return 0;
+}